Remove redundant code
diff --git a/Lib/fontTools/ttLib/tables/_h_e_a_d.py b/Lib/fontTools/ttLib/tables/_h_e_a_d.py
index 182f328..4a3f086 100644
--- a/Lib/fontTools/ttLib/tables/_h_e_a_d.py
+++ b/Lib/fontTools/ttLib/tables/_h_e_a_d.py
@@ -36,8 +36,6 @@
 		if rest:
 			# this is quite illegal, but there seem to be fonts out there that do this
 			assert rest == "\0\0"
-		self.unitsPerEm = self.unitsPerEm
-		self.flags = self.flags
 		self.strings2dates()
 	
 	def compile(self, ttFont):